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BWill · 06-30-2015, 10:41 AM

How far should the sec. throttle plates open on a stock GM intake?, and how far on an open plenum intake. I know there is a measurement for the sec. air valve door opening, anybody have that number?, thanks

06-30-2015, 10:41 AM	#1
BWill Junior Member Join Date: Apr 2012 Posts: 13 Likes: 0 Liked 0 Times in 0 Posts	Q Jet questions How far should the sec. throttle plates open on a stock GM intake?, and how far on an open plenum intake. I know there is a measurement for the sec. air valve door opening, anybody have that number?, thanks